[Boatanchors] Re:part needed

Tom NØJMY n0jmy at hayseedhamfest.com
Fri Jan 2 22:03:24 EST 2009


I've got a HB power supply with pots that have short solid shafts and a 
screwdriver slot on the end.  You can't change the setting without a 
screwdriver.  The shafts stick out of the panel about 1/2" including the 
nut and washer.  Maybe you could track something down like that?

73,
Tom NØJMY.  .

www.hayseedhamfest.com
Multi-section Can Capacitors
for Heathkit, Drake, more...

Lawrence Mayhew wrote:
> Hi Bob,
> The most common style of "locking potentiometers" is to split the threaded
> collar, then the mounting nut is tightened around the collar beyond the
> split, and a special nut with a smaller diameter on one side is threaded
> over the spit and tightened to lock.
> I have several Allen Bradley type "J" split collar pots with slotted, short
> shafts,
> What value are you looking for?
> Regards,............Larry in Seattle
> 
> 
> -----Original Message-----
> From: boatanchors-bounces at mailman.qth.net
> [mailto:boatanchors-bounces at mailman.qth.net] On Behalf Of Bob Hardie- W5UQ
> Sent: Friday, January 02, 2009 4:46 PM
> Cc: Boatanchors Mail List
> Subject: [Boatanchors] Re:part needed
> 
> Does anyone remember the "locking mechanism" used on potentiometers?  
> You would take the knob off and screw on a locking mechanism that would hold
> the setting.  It was for NORMAL size pots. 
> 
> Well, I need one or actually two, for my adjustable power supply.  I keep
> accidentally hitting the settings. 
> 
> thanks, Bob W5UQ
> 
> _______________________________________________
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